Class MemResource

java.lang.Object

org.eclipse.rdf4j.sail.memory.model.MemResource

All Implemented Interfaces:

Serializable, Resource, Value, MemValue

Direct Known Subclasses:

MemBNode, MemIRI, MemTriple

public abstract class MemResource
extends Object
implements MemValue, Resource

A MemoryStore-specific extension of Resource giving it subject statements.

See Also:

• Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from interface Value

Value.Type

Modifier and Type	Interface	Description
static enum	Value.Type

Field Summary

Fields inherited from interface MemValue

EMPTY_LIST

Modifier and Type	Field	Description
static final MemStatementList	EMPTY_LIST	A shared empty MemStatementList that is returned by MemURI and MemBNode to represent an empty list.

Constructor Summary

Constructors

Constructor	Description
MemResource()

Method Summary

Modifier and Type	Method	Description
void	addContextStatement(MemStatement st)
void	addSubjectStatement(MemStatement st)
void	cleanSnapshotsFromContextStatements(int currentSnapshot)
void	cleanSnapshotsFromSubjectStatements(int currentSnapshot)
int	getContextStatementCount()
MemStatementList	getContextStatementList()
int	getSubjectStatementCount()
MemStatementList	getSubjectStatementList()
boolean	hasContextStatements()
boolean	hasSubjectStatements()

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface MemValue

addObjectStatement, cleanSnapshotsFromObjectStatements, getCreator, getObjectStatementCount, getObjectStatementList, hasObjectStatements, hasPredicateStatements, hasStatements

Modifier and Type	Method	Description
void	addObjectStatement(MemStatement st)	Adds a statement to this MemValue's list of statements for which it is the object.
void	cleanSnapshotsFromObjectStatements(int currentSnapshot)	Removes statements from old snapshots (those that have expired at or before the specified snapshot version) from this MemValue's list of statements for which it is the object.
Object	getCreator()	Returns the object that created this MemValue.
int	getObjectStatementCount()	Gets the number of statements for which this MemValue is the object.
MemStatementList	getObjectStatementList()	Gets the list of statements for which this MemValue is the object.
boolean	hasObjectStatements()
boolean	hasPredicateStatements()
boolean	hasStatements()	Checks whether this MemValue has any statements.

Methods inherited from interface Resource

isResource

Modifier and Type	Method	Description
default boolean	isResource()	Check if the object is an instance of the given type.

Methods inherited from interface Value

getType, isBNode, isIRI, isLiteral, isTriple, stringValue

Modifier and Type	Method	Description
default Value.Type	getType()
default boolean	isBNode()	Check if the object is an instance of the given type.
default boolean	isIRI()	Check if the object is an instance of the given type.
default boolean	isLiteral()	Check if the object is an instance of the given type.
default boolean	isTriple()	Check if the object is an instance of the given type.
String	stringValue()	Returns the String-value of a Value object.

Constructor Details

MemResource

public MemResource()

Method Details

getSubjectStatementList

public MemStatementList getSubjectStatementList()

getSubjectStatementCount

public int getSubjectStatementCount()

addSubjectStatement

public void addSubjectStatement(MemStatement st)
                         throws InterruptedException

Throws:

InterruptedException

cleanSnapshotsFromSubjectStatements

public void cleanSnapshotsFromSubjectStatements(int currentSnapshot)
                                         throws InterruptedException

Throws:

InterruptedException

hasSubjectStatements

public boolean hasSubjectStatements()

Specified by:

hasSubjectStatements in interface MemValue

hasContextStatements

public boolean hasContextStatements()

Specified by:

hasContextStatements in interface MemValue

getContextStatementList

public MemStatementList getContextStatementList()

getContextStatementCount

public int getContextStatementCount()

addContextStatement

public void addContextStatement(MemStatement st)
                         throws InterruptedException

Throws:

InterruptedException

cleanSnapshotsFromContextStatements

public void cleanSnapshotsFromContextStatements(int currentSnapshot)
                                         throws InterruptedException

Throws:

InterruptedException